WO2003021697A3 - Electric separator, method for producing the same and the use thereof - Google Patents

Electric separator, method for producing the same and the use thereof Download PDF

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Publication number
WO2003021697A3
WO2003021697A3 PCT/EP2002/009266 EP0209266W WO03021697A3 WO 2003021697 A3 WO2003021697 A3 WO 2003021697A3 EP 0209266 W EP0209266 W EP 0209266W WO 03021697 A3 WO03021697 A3 WO 03021697A3
Authority
WO
WIPO (PCT)
Prior art keywords
separator
coating
electric
batteries
porous
Prior art date
Application number
PCT/EP2002/009266
Other languages
German (de)
French (fr)
Other versions
WO2003021697A2 (en
Inventor
Volker Hennige
Christian Hying
Gerhard Hoerpel
Original Assignee
Creavis Tech & Innovation Gmbh
Volker Hennige
Christian Hying
Gerhard Hoerpel
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Creavis Tech & Innovation Gmbh, Volker Hennige, Christian Hying, Gerhard Hoerpel filed Critical Creavis Tech & Innovation Gmbh
Priority to US10/487,245 priority Critical patent/US7351494B2/en
Priority to AT02797544T priority patent/ATE286627T1/en
Priority to DE50201967T priority patent/DE50201967D1/en
Priority to EP02797544A priority patent/EP1419544B1/en
Priority to AU2002333473A priority patent/AU2002333473A1/en
Priority to JP2003525926A priority patent/JP4320251B2/en
Publication of WO2003021697A2 publication Critical patent/WO2003021697A2/en
Publication of WO2003021697A3 publication Critical patent/WO2003021697A3/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/44—Fibrous material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/431—Inorganic material
    • H01M50/434—Ceramics
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/431—Inorganic material
    • H01M50/434—Ceramics
    • H01M50/437—Glass
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/454—Separators, membranes or diaphragms characterised by the material having a layered structure comprising a non-fibrous layer and a fibrous layer superimposed on one another
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Abstract

The invention relates to electric separators and to a method for producing the same. An electric separator is a separator that is used in batteries and other assemblies, in which electrodes must be separated from one another, e.g. whilst maintaining ion conductivity. The separator is preferably a thin, porous, insulating material with a high ion permeability, excellent mechanical strength and long-term stability against the chemicals and solvents used in the system, e.g. in the electrolyte of the battery. In batteries, the aim of the separator is to completely insulate the cathode from the anode. In addition, the separator must be permanently elastic and follow the displacements in the system, e.g. in the electrode package during charging and discharging. This is achieved by an inventive electric separator comprising a flat, flexible substrate provided with a plurality of orifices and a coating both on and in said substrate. The substrate material is selected from woven or nonwoven, electrically non-conductive glass or ceramic fibres, or a combination of materials of this type and the coating is a porous, electrically insulating ceramic coating. The separator is characterised in that it has a thickness of less than 100 νm.
PCT/EP2002/009266 2001-08-31 2002-08-20 Electric separator, method for producing the same and the use thereof WO2003021697A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US10/487,245 US7351494B2 (en) 2001-08-31 2002-08-20 Electric separator, method for producing the same and the use thereof
AT02797544T ATE286627T1 (en) 2001-08-31 2002-08-20 ELECTRICAL SEPARATOR, METHOD OF MANUFACTURING AND USE THEREOF
DE50201967T DE50201967D1 (en) 2001-08-31 2002-08-20 ELECTRICAL SEPARATOR, METHOD FOR ITS MANUFACTURE AND USE
EP02797544A EP1419544B1 (en) 2001-08-31 2002-08-20 Electric separator, method for producing the same and the use thereof
AU2002333473A AU2002333473A1 (en) 2001-08-31 2002-08-20 Electric separator, method for producing the same and the use thereof
JP2003525926A JP4320251B2 (en) 2001-08-31 2002-08-20 Electric separator, its production and use

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10142622.4 2001-08-31
DE10142622A DE10142622A1 (en) 2001-08-31 2001-08-31 Electrical separator, process for its production and use

Publications (2)

Publication Number Publication Date
WO2003021697A2 WO2003021697A2 (en) 2003-03-13
WO2003021697A3 true WO2003021697A3 (en) 2003-12-18

Family

ID=7697202

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2002/009266 WO2003021697A2 (en) 2001-08-31 2002-08-20 Electric separator, method for producing the same and the use thereof

Country Status (8)

Country Link
US (1) US7351494B2 (en)
EP (1) EP1419544B1 (en)
JP (1) JP4320251B2 (en)
AT (1) ATE286627T1 (en)
AU (1) AU2002333473A1 (en)
DE (2) DE10142622A1 (en)
TW (1) TW561643B (en)
WO (1) WO2003021697A2 (en)

Families Citing this family (97)

* Cited by examiner, † Cited by third party
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DE10142622A1 (en) 2001-08-31 2003-03-20 Creavis Tech & Innovation Gmbh Electrical separator, process for its production and use
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DE10238944A1 (en) * 2002-08-24 2004-03-04 Creavis Gesellschaft Für Technologie Und Innovation Mbh Separator for use in high energy batteries and process for its manufacture
DE10238945B4 (en) 2002-08-24 2013-01-03 Evonik Degussa Gmbh Electric separator with shut-off mechanism, process for its preparation, use of the separator in lithium batteries and battery with the separator
DE10240032A1 (en) * 2002-08-27 2004-03-11 Creavis Gesellschaft Für Technologie Und Innovation Mbh Ion-conducting battery separator for lithium batteries, process for their production and their use
DE10255121B4 (en) * 2002-11-26 2017-09-14 Evonik Degussa Gmbh Separator with asymmetric pore structure for an electrochemical cell
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Also Published As

Publication number Publication date
US7351494B2 (en) 2008-04-01
TW561643B (en) 2003-11-11
EP1419544A2 (en) 2004-05-19
US20050031942A1 (en) 2005-02-10
DE50201967D1 (en) 2005-02-10
EP1419544B1 (en) 2005-01-05
WO2003021697A2 (en) 2003-03-13
DE10142622A1 (en) 2003-03-20
ATE286627T1 (en) 2005-01-15
JP4320251B2 (en) 2009-08-26
JP2005502177A (en) 2005-01-20
AU2002333473A1 (en) 2003-03-18

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